{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "602782067",
    "entityType": "User",
    "nonce": "0x683f6d3efa019c6782cd9463c286f9c6521ff571f6f1d384289a2efbb6a988be",
    "signature": "0xdcd956b4a53871230249d20fc78cf81efab843a6bb11f92ce07bb0878c5ed4b97026123432b14c4ed0f5633b7bd593ff9ddb5a87e7144c8419f227e6a39953771c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}